*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    height:100vh;
    background: url(../imgs/bgImg.jpg);
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size:cover;
    -moz-background-size:cover;
    -webkit-background-size:cover;
    /* background: linear-gradient(#141e30,#243b55); */
    /* background: linear-gradient(45deg,rgba(254,172,94,0.5),rgba(199,121,208,0.5),rgba(75,192,200,0.5)); */

}
.login{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 400px;
    padding: 40px;
    background-color: rgba(0,0,0, 0.4);
    box-shadow: 0 15px 25px rgba(0,0,0, 0.4);
}
.login h2{
    color: #fff;
    margin-bottom: 30px;
}
.login .login_box{
    position: relative;
    width: 100%;
}
.login .login_box input{
    outline: none;
    border:none;
    width: 100%;
    padding: 10px 0;
    margin-bottom: 30px;
    color: #fff;
    font-size: 16px;
    border-bottom: 1px solid #fff;
    background-color: transparent;
}
.login .login_box label{
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    color: #fff;
    pointer-events: none;
    transition: all 0.5s;
}
.login .login_box input:focus + label,
.login .login_box input:valid + label{
    top: -20px;
    color: #03e9f4;
    font-size: 14px;
}
.login a{
    overflow: hidden;
    position: relative;
    padding: 5px 20px;
    color:#03e9f4;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.5s;
}
.login a:hover{
    color: #fff;
    background-color: #03e9f4;
    border-radius: 5px;
    box-shadow: 0 0 5px #03e9f4,0 0 25px #03e9f4,0 0 50px #03e9f4,0 0 100px #03e9f4,;
}
.login a span{
    position: absolute;
}
.login a span:first-child{
    top: 0;
    left:-100%;
    width: 100%;
    height: 2px;
    background:linear-gradient(to right,transparent,#03e9f4);
    animation: move1 1s linear infinite;
}
.login a span:nth-child(2){
    right: 0;
    top: -100%;
    width: 2px;
    height: 100%;
    background: linear-gradient(transparent,#03e9f4 );
    animation: move2 1s linear 0.25s infinite;
}
.login a span:nth-child(3){
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background:linear-gradient(to left,transparent,#03e9f4);
    animation: move3 1s linear 0.5s infinite;
}
.login a span:last-child{
    left:0;
    bottom: -100%;
    width: 2px;
    height: 100%;
    background: linear-gradient(#03e9f4 ,transparent);
    animation: move4 1s linear 0.75s infinite;
}

@keyframes move1{
    0%{
        left: -100%;
    }
    50%,
    100%{
        left:100%
    }
}
@keyframes move2{
    0%{
        top: -100%;
    }
    50%,
    100%{
        top:100%
    }
}
@keyframes move3{
    0%{
        right: -100%;
    }
    50%,
    100%{
        right:100%
    }
}
@keyframes move4{
    0%{
        bottom: -100%;
    }
    50%,
    100%{
        bottom:100%
    }
}